2 * Driver for RNDIS based wireless USB devices.
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
5 * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 * Portions of this file are based on NDISwrapper project,
22 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
23 * http://ndiswrapper.sourceforge.net/
26 // #define DEBUG // error path messages, extra info
27 // #define VERBOSE // more; success messages
29 #include <linux/module.h>
30 #include <linux/init.h>
31 #include <linux/netdevice.h>
32 #include <linux/etherdevice.h>
33 #include <linux/ethtool.h>
34 #include <linux/workqueue.h>
35 #include <linux/mutex.h>
36 #include <linux/mii.h>
37 #include <linux/usb.h>
38 #include <linux/usb/cdc.h>
39 #include <linux/wireless.h>
40 #include <linux/ieee80211.h>
41 #include <linux/if_arp.h>
42 #include <linux/ctype.h>
43 #include <linux/spinlock.h>
44 #include <net/iw_handler.h>
45 #include <net/cfg80211.h>
46 #include <linux/usb/usbnet.h>
47 #include <linux/usb/rndis_host.h>
50 /* NOTE: All these are settings for Broadcom chipset */
51 static char modparam_country[4] = "EU";
52 module_param_string(country, modparam_country, 4, 0444);
53 MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
55 static int modparam_frameburst = 1;
56 module_param_named(frameburst, modparam_frameburst, int, 0444);
57 MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
59 static int modparam_afterburner = 0;
60 module_param_named(afterburner, modparam_afterburner, int, 0444);
61 MODULE_PARM_DESC(afterburner,
62 "enable afterburner aka '125 High Speed Mode' (default: off)");
64 static int modparam_power_save = 0;
65 module_param_named(power_save, modparam_power_save, int, 0444);
66 MODULE_PARM_DESC(power_save,
67 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
69 static int modparam_power_output = 3;
70 module_param_named(power_output, modparam_power_output, int, 0444);
71 MODULE_PARM_DESC(power_output,
72 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
74 static int modparam_roamtrigger = -70;
75 module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
76 MODULE_PARM_DESC(roamtrigger,
77 "set roaming dBm trigger: -80=optimize for distance, "
78 "-60=bandwidth (default: -70)");
80 static int modparam_roamdelta = 1;
81 module_param_named(roamdelta, modparam_roamdelta, int, 0444);
82 MODULE_PARM_DESC(roamdelta,
83 "set roaming tendency: 0=aggressive, 1=moderate, "
84 "2=conservative (default: moderate)");
86 static int modparam_workaround_interval = 500;
87 module_param_named(workaround_interval, modparam_workaround_interval,
89 MODULE_PARM_DESC(workaround_interval,
90 "set stall workaround interval in msecs (default: 500)");
93 /* various RNDIS OID defs */
94 #define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107)
95 #define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b)
97 #define OID_GEN_XMIT_OK cpu_to_le32(0x00020101)
98 #define OID_GEN_RCV_OK cpu_to_le32(0x00020102)
99 #define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103)
100 #define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104)
101 #define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105)
103 #define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102)
104 #define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103)
105 #define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104)
107 #define OID_802_11_BSSID cpu_to_le32(0x0d010101)
108 #define OID_802_11_SSID cpu_to_le32(0x0d010102)
109 #define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108)
110 #define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113)
111 #define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114)
112 #define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115)
113 #define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118)
114 #define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119)
115 #define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a)
116 #define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b)
117 #define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d)
118 #define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e)
119 #define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f)
120 #define OID_802_11_PMKID cpu_to_le32(0x0d010123)
121 #define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203)
122 #define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204)
123 #define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205)
124 #define OID_802_11_RSSI cpu_to_le32(0x0d010206)
125 #define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207)
126 #define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209)
127 #define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a)
128 #define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e)
129 #define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211)
130 #define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217)
133 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
134 #define WL_NOISE -96 /* typical noise level in dBm */
135 #define WL_SIGMAX -32 /* typical maximum signal level in dBm */
138 /* Assume that Broadcom 4320 (only chipset at time of writing known to be
139 * based on wireless rndis) has default txpower of 13dBm.
140 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
141 * 100% : 20 mW ~ 13dBm
142 * 75% : 15 mW ~ 12dBm
143 * 50% : 10 mW ~ 10dBm
146 #define BCM4320_DEFAULT_TXPOWER_DBM_100 13
147 #define BCM4320_DEFAULT_TXPOWER_DBM_75 12
148 #define BCM4320_DEFAULT_TXPOWER_DBM_50 10
149 #define BCM4320_DEFAULT_TXPOWER_DBM_25 7
152 /* codes for "status" field of completion messages */
153 #define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
154 #define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
157 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
158 * slightly modified for datatype endianess, etc
160 #define NDIS_802_11_LENGTH_SSID 32
161 #define NDIS_802_11_LENGTH_RATES 8
162 #define NDIS_802_11_LENGTH_RATES_EX 16
164 enum ndis_80211_net_type {
165 NDIS_80211_TYPE_FREQ_HOP,
166 NDIS_80211_TYPE_DIRECT_SEQ,
167 NDIS_80211_TYPE_OFDM_A,
168 NDIS_80211_TYPE_OFDM_G
171 enum ndis_80211_net_infra {
172 NDIS_80211_INFRA_ADHOC,
173 NDIS_80211_INFRA_INFRA,
174 NDIS_80211_INFRA_AUTO_UNKNOWN
177 enum ndis_80211_auth_mode {
178 NDIS_80211_AUTH_OPEN,
179 NDIS_80211_AUTH_SHARED,
180 NDIS_80211_AUTH_AUTO_SWITCH,
182 NDIS_80211_AUTH_WPA_PSK,
183 NDIS_80211_AUTH_WPA_NONE,
184 NDIS_80211_AUTH_WPA2,
185 NDIS_80211_AUTH_WPA2_PSK
188 enum ndis_80211_encr_status {
189 NDIS_80211_ENCR_WEP_ENABLED,
190 NDIS_80211_ENCR_DISABLED,
191 NDIS_80211_ENCR_WEP_KEY_ABSENT,
192 NDIS_80211_ENCR_NOT_SUPPORTED,
193 NDIS_80211_ENCR_TKIP_ENABLED,
194 NDIS_80211_ENCR_TKIP_KEY_ABSENT,
195 NDIS_80211_ENCR_CCMP_ENABLED,
196 NDIS_80211_ENCR_CCMP_KEY_ABSENT
199 enum ndis_80211_priv_filter {
200 NDIS_80211_PRIV_ACCEPT_ALL,
201 NDIS_80211_PRIV_8021X_WEP
204 enum ndis_80211_status_type {
205 NDIS_80211_STATUSTYPE_AUTHENTICATION,
206 NDIS_80211_STATUSTYPE_MEDIASTREAMMODE,
207 NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST,
208 NDIS_80211_STATUSTYPE_RADIOSTATE,
211 enum ndis_80211_media_stream_mode {
212 NDIS_80211_MEDIA_STREAM_OFF,
213 NDIS_80211_MEDIA_STREAM_ON
216 enum ndis_80211_radio_status {
217 NDIS_80211_RADIO_STATUS_ON,
218 NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
219 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
222 enum ndis_80211_addkey_bits {
223 NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
224 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
225 NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
226 NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
229 enum ndis_80211_addwep_bits {
230 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
231 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
234 struct ndis_80211_auth_request {
239 } __attribute__((packed));
241 struct ndis_80211_pmkid_candidate {
245 } __attribute__((packed));
247 struct ndis_80211_pmkid_cand_list {
249 __le32 num_candidates;
250 struct ndis_80211_pmkid_candidate candidate_list[0];
251 } __attribute__((packed));
253 struct ndis_80211_status_indication {
256 enum ndis_80211_media_stream_mode media_stream_mode;
257 enum ndis_80211_radio_status radio_status;
258 struct ndis_80211_auth_request auth_request[0];
259 struct ndis_80211_pmkid_cand_list cand_list;
261 } __attribute__((packed));
263 struct ndis_80211_ssid {
265 u8 essid[NDIS_802_11_LENGTH_SSID];
266 } __attribute__((packed));
268 struct ndis_80211_conf_freq_hop {
273 } __attribute__((packed));
275 struct ndis_80211_conf {
277 __le32 beacon_period;
280 struct ndis_80211_conf_freq_hop fh_config;
281 } __attribute__((packed));
283 struct ndis_80211_bssid_ex {
287 struct ndis_80211_ssid ssid;
291 struct ndis_80211_conf config;
293 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
296 } __attribute__((packed));
298 struct ndis_80211_bssid_list_ex {
300 struct ndis_80211_bssid_ex bssid[0];
301 } __attribute__((packed));
303 struct ndis_80211_fixed_ies {
305 __le16 beacon_interval;
307 } __attribute__((packed));
309 struct ndis_80211_wep_key {
314 } __attribute__((packed));
316 struct ndis_80211_key {
324 } __attribute__((packed));
326 struct ndis_80211_remove_key {
331 } __attribute__((packed));
333 struct ndis_config_param {
339 } __attribute__((packed));
341 struct ndis_80211_assoc_info {
346 __le16 listen_interval;
347 u8 cur_ap_address[6];
349 __le32 req_ie_length;
350 __le32 offset_req_ies;
357 __le32 resp_ie_length;
358 __le32 offset_resp_ies;
359 } __attribute__((packed));
364 #define NET_TYPE_11FB 0
366 #define CAP_MODE_80211A 1
367 #define CAP_MODE_80211B 2
368 #define CAP_MODE_80211G 4
369 #define CAP_MODE_MASK 7
371 #define WORK_LINK_UP (1<<0)
372 #define WORK_LINK_DOWN (1<<1)
373 #define WORK_SET_MULTICAST_LIST (1<<2)
375 #define RNDIS_WLAN_ALG_NONE 0
376 #define RNDIS_WLAN_ALG_WEP (1<<0)
377 #define RNDIS_WLAN_ALG_TKIP (1<<1)
378 #define RNDIS_WLAN_ALG_CCMP (1<<2)
380 #define RNDIS_WLAN_KEY_MGMT_NONE 0
381 #define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
382 #define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
384 #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
386 static const struct ieee80211_channel rndis_channels[] = {
387 { .center_freq = 2412 },
388 { .center_freq = 2417 },
389 { .center_freq = 2422 },
390 { .center_freq = 2427 },
391 { .center_freq = 2432 },
392 { .center_freq = 2437 },
393 { .center_freq = 2442 },
394 { .center_freq = 2447 },
395 { .center_freq = 2452 },
396 { .center_freq = 2457 },
397 { .center_freq = 2462 },
398 { .center_freq = 2467 },
399 { .center_freq = 2472 },
400 { .center_freq = 2484 },
403 static const struct ieee80211_rate rndis_rates[] = {
405 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
406 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
407 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
418 static const u32 rndis_cipher_suites[] = {
419 WLAN_CIPHER_SUITE_WEP40,
420 WLAN_CIPHER_SUITE_WEP104,
421 WLAN_CIPHER_SUITE_TKIP,
422 WLAN_CIPHER_SUITE_CCMP,
425 struct rndis_wlan_encr_key {
434 /* RNDIS device private data */
435 struct rndis_wlan_private {
436 struct usbnet *usbdev;
438 struct wireless_dev wdev;
440 struct cfg80211_scan_request *scan_request;
442 struct workqueue_struct *workqueue;
443 struct delayed_work stats_work;
444 struct delayed_work scan_work;
445 struct work_struct work;
446 struct mutex command_lock;
447 spinlock_t stats_lock;
448 unsigned long work_pending;
450 struct ieee80211_supported_band band;
451 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
452 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
453 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
455 struct iw_statistics iwstats;
456 struct iw_statistics privstats;
461 /* module parameters */
462 char param_country[4];
463 int param_frameburst;
464 int param_afterburner;
465 int param_power_save;
466 int param_power_output;
467 int param_roamtrigger;
469 u32 param_workaround_interval;
475 struct ndis_80211_ssid essid;
476 __le32 current_command_oid;
478 /* encryption stuff */
479 int encr_tx_key_index;
480 struct rndis_wlan_encr_key encr_keys[4];
481 enum nl80211_auth_type wpa_auth_type;
487 int wpa_cipher_group;
489 u8 command_buffer[COMMAND_BUFFER_SIZE];
495 static int rndis_change_virtual_intf(struct wiphy *wiphy,
496 struct net_device *dev,
497 enum nl80211_iftype type, u32 *flags,
498 struct vif_params *params);
500 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
501 struct cfg80211_scan_request *request);
503 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
505 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
507 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
509 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
510 struct cfg80211_connect_params *sme);
512 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
515 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
516 struct cfg80211_ibss_params *params);
518 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
520 static int rndis_set_channel(struct wiphy *wiphy,
521 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type);
523 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
524 u8 key_index, const u8 *mac_addr,
525 struct key_params *params);
527 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
528 u8 key_index, const u8 *mac_addr);
530 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
533 static struct cfg80211_ops rndis_config_ops = {
534 .change_virtual_intf = rndis_change_virtual_intf,
536 .set_wiphy_params = rndis_set_wiphy_params,
537 .set_tx_power = rndis_set_tx_power,
538 .get_tx_power = rndis_get_tx_power,
539 .connect = rndis_connect,
540 .disconnect = rndis_disconnect,
541 .join_ibss = rndis_join_ibss,
542 .leave_ibss = rndis_leave_ibss,
543 .set_channel = rndis_set_channel,
544 .add_key = rndis_add_key,
545 .del_key = rndis_del_key,
546 .set_default_key = rndis_set_default_key,
549 static void *rndis_wiphy_privid = &rndis_wiphy_privid;
552 static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
554 return (struct rndis_wlan_private *)dev->driver_priv;
558 static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
560 switch (priv->param_power_output) {
563 return BCM4320_DEFAULT_TXPOWER_DBM_100;
565 return BCM4320_DEFAULT_TXPOWER_DBM_75;
567 return BCM4320_DEFAULT_TXPOWER_DBM_50;
569 return BCM4320_DEFAULT_TXPOWER_DBM_25;
574 static bool is_wpa_key(struct rndis_wlan_private *priv, int idx)
576 int cipher = priv->encr_keys[idx].cipher;
578 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
579 cipher == WLAN_CIPHER_SUITE_TKIP);
583 static int rndis_cipher_to_alg(u32 cipher)
587 return RNDIS_WLAN_ALG_NONE;
588 case WLAN_CIPHER_SUITE_WEP40:
589 case WLAN_CIPHER_SUITE_WEP104:
590 return RNDIS_WLAN_ALG_WEP;
591 case WLAN_CIPHER_SUITE_TKIP:
592 return RNDIS_WLAN_ALG_TKIP;
593 case WLAN_CIPHER_SUITE_CCMP:
594 return RNDIS_WLAN_ALG_CCMP;
598 static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
602 return RNDIS_WLAN_KEY_MGMT_NONE;
603 case WLAN_AKM_SUITE_8021X:
604 return RNDIS_WLAN_KEY_MGMT_802_1X;
605 case WLAN_AKM_SUITE_PSK:
606 return RNDIS_WLAN_KEY_MGMT_PSK;
612 static const char *oid_to_string(__le32 oid)
615 #define OID_STR(oid) case oid: return(#oid)
616 /* from rndis_host.h */
617 OID_STR(OID_802_3_PERMANENT_ADDRESS);
618 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
619 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
620 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
622 /* from rndis_wlan.c */
623 OID_STR(OID_GEN_LINK_SPEED);
624 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
626 OID_STR(OID_GEN_XMIT_OK);
627 OID_STR(OID_GEN_RCV_OK);
628 OID_STR(OID_GEN_XMIT_ERROR);
629 OID_STR(OID_GEN_RCV_ERROR);
630 OID_STR(OID_GEN_RCV_NO_BUFFER);
632 OID_STR(OID_802_3_CURRENT_ADDRESS);
633 OID_STR(OID_802_3_MULTICAST_LIST);
634 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
636 OID_STR(OID_802_11_BSSID);
637 OID_STR(OID_802_11_SSID);
638 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
639 OID_STR(OID_802_11_ADD_WEP);
640 OID_STR(OID_802_11_REMOVE_WEP);
641 OID_STR(OID_802_11_DISASSOCIATE);
642 OID_STR(OID_802_11_AUTHENTICATION_MODE);
643 OID_STR(OID_802_11_PRIVACY_FILTER);
644 OID_STR(OID_802_11_BSSID_LIST_SCAN);
645 OID_STR(OID_802_11_ENCRYPTION_STATUS);
646 OID_STR(OID_802_11_ADD_KEY);
647 OID_STR(OID_802_11_REMOVE_KEY);
648 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
649 OID_STR(OID_802_11_PMKID);
650 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
651 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
652 OID_STR(OID_802_11_TX_POWER_LEVEL);
653 OID_STR(OID_802_11_RSSI);
654 OID_STR(OID_802_11_RSSI_TRIGGER);
655 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
656 OID_STR(OID_802_11_RTS_THRESHOLD);
657 OID_STR(OID_802_11_SUPPORTED_RATES);
658 OID_STR(OID_802_11_CONFIGURATION);
659 OID_STR(OID_802_11_BSSID_LIST);
666 static const char *oid_to_string(__le32 oid)
673 /* translate error code */
674 static int rndis_error_status(__le32 rndis_status)
677 switch (rndis_status) {
678 case RNDIS_STATUS_SUCCESS:
681 case RNDIS_STATUS_FAILURE:
682 case RNDIS_STATUS_INVALID_DATA:
685 case RNDIS_STATUS_NOT_SUPPORTED:
688 case RNDIS_STATUS_ADAPTER_NOT_READY:
689 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
697 static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
699 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
702 struct rndis_msg_hdr *header;
703 struct rndis_query *get;
704 struct rndis_query_c *get_c;
708 buflen = *len + sizeof(*u.get);
709 if (buflen < CONTROL_BUFFER_SIZE)
710 buflen = CONTROL_BUFFER_SIZE;
712 if (buflen > COMMAND_BUFFER_SIZE) {
713 u.buf = kmalloc(buflen, GFP_KERNEL);
717 u.buf = priv->command_buffer;
720 mutex_lock(&priv->command_lock);
722 memset(u.get, 0, sizeof *u.get);
723 u.get->msg_type = RNDIS_MSG_QUERY;
724 u.get->msg_len = cpu_to_le32(sizeof *u.get);
727 priv->current_command_oid = oid;
728 ret = rndis_command(dev, u.header, buflen);
729 priv->current_command_oid = 0;
731 devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d "
732 "(%08x)", oid_to_string(oid), ret,
733 le32_to_cpu(u.get_c->status));
736 ret = le32_to_cpu(u.get_c->len);
739 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
740 ret = rndis_error_status(u.get_c->status);
743 devdbg(dev, "rndis_query_oid(%s): device returned "
744 "error, 0x%08x (%d)", oid_to_string(oid),
745 le32_to_cpu(u.get_c->status), ret);
748 mutex_unlock(&priv->command_lock);
750 if (u.buf != priv->command_buffer)
756 static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
758 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
761 struct rndis_msg_hdr *header;
762 struct rndis_set *set;
763 struct rndis_set_c *set_c;
767 buflen = len + sizeof(*u.set);
768 if (buflen < CONTROL_BUFFER_SIZE)
769 buflen = CONTROL_BUFFER_SIZE;
771 if (buflen > COMMAND_BUFFER_SIZE) {
772 u.buf = kmalloc(buflen, GFP_KERNEL);
776 u.buf = priv->command_buffer;
779 mutex_lock(&priv->command_lock);
781 memset(u.set, 0, sizeof *u.set);
782 u.set->msg_type = RNDIS_MSG_SET;
783 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
785 u.set->len = cpu_to_le32(len);
786 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
787 u.set->handle = cpu_to_le32(0);
788 memcpy(u.buf + sizeof(*u.set), data, len);
790 priv->current_command_oid = oid;
791 ret = rndis_command(dev, u.header, buflen);
792 priv->current_command_oid = 0;
794 devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d "
795 "(%08x)", oid_to_string(oid), ret,
796 le32_to_cpu(u.set_c->status));
799 ret = rndis_error_status(u.set_c->status);
802 devdbg(dev, "rndis_set_oid(%s): device returned error, "
803 "0x%08x (%d)", oid_to_string(oid),
804 le32_to_cpu(u.set_c->status), ret);
807 mutex_unlock(&priv->command_lock);
809 if (u.buf != priv->command_buffer)
815 static int rndis_reset(struct usbnet *usbdev)
817 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
818 struct rndis_reset *reset;
821 mutex_lock(&priv->command_lock);
823 reset = (void *)priv->command_buffer;
824 memset(reset, 0, sizeof(*reset));
825 reset->msg_type = RNDIS_MSG_RESET;
826 reset->msg_len = cpu_to_le32(sizeof(*reset));
827 priv->current_command_oid = 0;
828 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
830 mutex_unlock(&priv->command_lock);
839 * Specs say that we can only set config parameters only soon after device
841 * value_type: 0 = u32, 2 = unicode string
843 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
844 int value_type, void *value)
846 struct ndis_config_param *infobuf;
847 int value_len, info_len, param_len, ret, i;
852 value_len = sizeof(__le32);
853 else if (value_type == 2)
854 value_len = strlen(value) * sizeof(__le16);
858 param_len = strlen(param) * sizeof(__le16);
859 info_len = sizeof(*infobuf) + param_len + value_len;
864 infobuf = kmalloc(info_len, GFP_KERNEL);
870 /* extra 12 bytes are for padding (debug output) */
871 memset(infobuf, 0xCC, info_len + 12);
875 devdbg(dev, "setting config parameter: %s, value: %s",
878 devdbg(dev, "setting config parameter: %s, value: %d",
879 param, *(u32 *)value);
881 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
882 infobuf->name_length = cpu_to_le32(param_len);
883 infobuf->type = cpu_to_le32(value_type);
884 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
885 infobuf->value_length = cpu_to_le32(value_len);
887 /* simple string to unicode string conversion */
888 unibuf = (void *)infobuf + sizeof(*infobuf);
889 for (i = 0; i < param_len / sizeof(__le16); i++)
890 unibuf[i] = cpu_to_le16(param[i]);
892 if (value_type == 2) {
893 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
894 for (i = 0; i < value_len / sizeof(__le16); i++)
895 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
897 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
898 *dst_value = cpu_to_le32(*(u32 *)value);
902 devdbg(dev, "info buffer (len: %d):", info_len);
903 for (i = 0; i < info_len; i += 12) {
904 u32 *tmp = (u32 *)((u8 *)infobuf + i);
905 devdbg(dev, "%08X:%08X:%08X",
908 cpu_to_be32(tmp[2]));
912 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
915 devdbg(dev, "setting rndis config parameter failed, %d.", ret);
921 static int rndis_set_config_parameter_str(struct usbnet *dev,
922 char *param, char *value)
924 return(rndis_set_config_parameter(dev, param, 2, value));
927 /*static int rndis_set_config_parameter_u32(struct usbnet *dev,
928 char *param, u32 value)
930 return(rndis_set_config_parameter(dev, param, 0, &value));
935 * data conversion functions
937 static int level_to_qual(int level)
939 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
940 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
947 static int set_infra_mode(struct usbnet *usbdev, int mode);
948 static void restore_keys(struct usbnet *usbdev);
949 static int rndis_check_bssid_list(struct usbnet *usbdev);
951 static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
953 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
956 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
958 devwarn(usbdev, "setting SSID failed (%08X)", ret);
962 memcpy(&priv->essid, ssid, sizeof(priv->essid));
964 devdbg(usbdev, "set_essid: radio_on = 1");
970 static int set_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
974 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
976 devwarn(usbdev, "setting BSSID[%pM] failed (%08X)", bssid, ret);
983 static int clear_bssid(struct usbnet *usbdev)
985 u8 broadcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
987 return set_bssid(usbdev, broadcast_mac);
990 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
995 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
998 memset(bssid, 0, ETH_ALEN);
1003 static int get_association_info(struct usbnet *usbdev,
1004 struct ndis_80211_assoc_info *info, int len)
1006 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
1010 static bool is_associated(struct usbnet *usbdev)
1012 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1016 if (!priv->radio_on)
1019 ret = get_bssid(usbdev, bssid);
1021 return (ret == 0 && !is_zero_ether_addr(bssid));
1025 static int disassociate(struct usbnet *usbdev, int reset_ssid)
1027 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1028 struct ndis_80211_ssid ssid;
1031 if (priv->radio_on) {
1032 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
1035 devdbg(usbdev, "disassociate: radio_on = 0");
1042 /* disassociate causes radio to be turned off; if reset_ssid
1043 * is given, set random ssid to enable radio */
1045 /* Set device to infrastructure mode so we don't get ad-hoc
1046 * 'media connect' indications with the random ssid.
1048 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1050 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1051 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1052 ssid.essid[0] = 0x1;
1053 ssid.essid[1] = 0xff;
1054 for (i = 2; i < sizeof(ssid.essid); i++)
1055 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
1056 ret = set_essid(usbdev, &ssid);
1062 static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1063 enum nl80211_auth_type auth_type, int keymgmt)
1065 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1069 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
1070 "keymgmt=0x%x", wpa_version, auth_type, keymgmt);
1072 if (wpa_version & NL80211_WPA_VERSION_2) {
1073 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1074 auth_mode = NDIS_80211_AUTH_WPA2;
1076 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
1077 } else if (wpa_version & NL80211_WPA_VERSION_1) {
1078 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1079 auth_mode = NDIS_80211_AUTH_WPA;
1080 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
1081 auth_mode = NDIS_80211_AUTH_WPA_PSK;
1083 auth_mode = NDIS_80211_AUTH_WPA_NONE;
1084 } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1085 auth_mode = NDIS_80211_AUTH_SHARED;
1086 else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
1087 auth_mode = NDIS_80211_AUTH_OPEN;
1091 tmp = cpu_to_le32(auth_mode);
1092 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1095 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
1099 priv->wpa_version = wpa_version;
1100 priv->wpa_auth_type = auth_type;
1101 priv->wpa_keymgmt = keymgmt;
1107 static int set_priv_filter(struct usbnet *usbdev)
1109 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1112 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
1114 if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1115 priv->wpa_version & NL80211_WPA_VERSION_1)
1116 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
1118 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
1120 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1125 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1127 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1131 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
1132 pairwise, groupwise);
1134 if (pairwise & RNDIS_WLAN_ALG_CCMP)
1135 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1136 else if (pairwise & RNDIS_WLAN_ALG_TKIP)
1137 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1138 else if (pairwise & RNDIS_WLAN_ALG_WEP)
1139 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
1140 else if (groupwise & RNDIS_WLAN_ALG_CCMP)
1141 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1142 else if (groupwise & RNDIS_WLAN_ALG_TKIP)
1143 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1145 encr_mode = NDIS_80211_ENCR_DISABLED;
1147 tmp = cpu_to_le32(encr_mode);
1148 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1151 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
1155 priv->wpa_cipher_pair = pairwise;
1156 priv->wpa_cipher_group = groupwise;
1161 static int set_infra_mode(struct usbnet *usbdev, int mode)
1163 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1167 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
1169 tmp = cpu_to_le32(mode);
1170 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1173 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
1177 /* NDIS drivers clear keys when infrastructure mode is
1178 * changed. But Linux tools assume otherwise. So set the
1180 restore_keys(usbdev);
1182 priv->infra_mode = mode;
1187 static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1191 devdbg(usbdev, "set_rts_threshold %i", rts_threshold);
1193 if (rts_threshold < 0 || rts_threshold > 2347)
1194 rts_threshold = 2347;
1196 tmp = cpu_to_le32(rts_threshold);
1197 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1202 static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1206 devdbg(usbdev, "set_frag_threshold %i", frag_threshold);
1208 if (frag_threshold < 256 || frag_threshold > 2346)
1209 frag_threshold = 2346;
1211 tmp = cpu_to_le32(frag_threshold);
1212 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1217 static void set_default_iw_params(struct usbnet *usbdev)
1219 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1220 set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1221 RNDIS_WLAN_KEY_MGMT_NONE);
1222 set_priv_filter(usbdev);
1223 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1227 static int deauthenticate(struct usbnet *usbdev)
1231 ret = disassociate(usbdev, 1);
1232 set_default_iw_params(usbdev);
1237 static int set_channel(struct usbnet *usbdev, int channel)
1239 struct ndis_80211_conf config;
1240 unsigned int dsconfig;
1243 devdbg(usbdev, "set_channel(%d)", channel);
1245 /* this OID is valid only when not associated */
1246 if (is_associated(usbdev))
1249 dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
1251 len = sizeof(config);
1252 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1254 devdbg(usbdev, "set_channel: querying configuration failed");
1258 config.ds_config = cpu_to_le32(dsconfig);
1259 ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1262 devdbg(usbdev, "set_channel: %d -> %d", channel, ret);
1268 /* index must be 0 - N, as per NDIS */
1269 static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
1272 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1273 struct ndis_80211_wep_key ndis_key;
1277 devdbg(usbdev, "add_wep_key(idx: %d, len: %d)", index, key_len);
1279 if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
1283 cipher = WLAN_CIPHER_SUITE_WEP40;
1285 cipher = WLAN_CIPHER_SUITE_WEP104;
1287 memset(&ndis_key, 0, sizeof(ndis_key));
1289 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1290 ndis_key.length = cpu_to_le32(key_len);
1291 ndis_key.index = cpu_to_le32(index);
1292 memcpy(&ndis_key.material, key, key_len);
1294 if (index == priv->encr_tx_key_index) {
1295 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
1296 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1297 RNDIS_WLAN_ALG_NONE);
1299 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
1303 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1306 devwarn(usbdev, "adding encryption key %d failed (%08X)",
1311 priv->encr_keys[index].len = key_len;
1312 priv->encr_keys[index].cipher = cipher;
1313 memcpy(&priv->encr_keys[index].material, key, key_len);
1314 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1320 static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
1321 int index, const u8 *addr, const u8 *rx_seq,
1322 int seq_len, u32 cipher, int flags)
1324 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1325 struct ndis_80211_key ndis_key;
1329 if (index < 0 || index >= 4) {
1330 devdbg(usbdev, "add_wpa_key: index out of range (%i)", index);
1333 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
1334 devdbg(usbdev, "add_wpa_key: key length out of range (%i)",
1338 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
1339 if (!rx_seq || seq_len <= 0) {
1340 devdbg(usbdev, "add_wpa_key: recv seq flag without"
1344 if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
1345 devdbg(usbdev, "add_wpa_key: too big recv seq buffer");
1350 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1351 !is_broadcast_ether_addr(addr);
1352 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
1353 devdbg(usbdev, "add_wpa_key: pairwise but bssid invalid (%pM)",
1358 devdbg(usbdev, "add_wpa_key(%i): flags:%i%i%i", index,
1359 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1360 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1361 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
1363 memset(&ndis_key, 0, sizeof(ndis_key));
1365 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1366 sizeof(ndis_key.material) + key_len);
1367 ndis_key.length = cpu_to_le32(key_len);
1368 ndis_key.index = cpu_to_le32(index) | flags;
1370 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
1371 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1372 * different order than NDIS spec, so swap the order here. */
1373 memcpy(ndis_key.material, key, 16);
1374 memcpy(ndis_key.material + 16, key + 24, 8);
1375 memcpy(ndis_key.material + 24, key + 16, 8);
1377 memcpy(ndis_key.material, key, key_len);
1379 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
1380 memcpy(ndis_key.rsc, rx_seq, seq_len);
1382 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
1384 memcpy(ndis_key.bssid, addr, ETH_ALEN);
1387 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
1388 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1390 get_bssid(usbdev, ndis_key.bssid);
1393 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1394 le32_to_cpu(ndis_key.size));
1395 devdbg(usbdev, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret);
1399 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1400 priv->encr_keys[index].len = key_len;
1401 priv->encr_keys[index].cipher = cipher;
1402 memcpy(&priv->encr_keys[index].material, key, key_len);
1403 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1404 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1406 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1408 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
1409 priv->encr_tx_key_index = index;
1415 static int restore_key(struct usbnet *usbdev, int key_idx)
1417 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1418 struct rndis_wlan_encr_key key;
1420 if (is_wpa_key(priv, key_idx))
1423 key = priv->encr_keys[key_idx];
1425 devdbg(usbdev, "restore_key: %i:%i", key_idx, key.len);
1430 return add_wep_key(usbdev, key.material, key.len, key_idx);
1434 static void restore_keys(struct usbnet *usbdev)
1438 for (i = 0; i < 4; i++)
1439 restore_key(usbdev, i);
1443 static void clear_key(struct rndis_wlan_private *priv, int idx)
1445 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1449 /* remove_key is for both wep and wpa */
1450 static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid)
1452 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1453 struct ndis_80211_remove_key remove_key;
1458 if (priv->encr_keys[index].len == 0)
1461 is_wpa = is_wpa_key(priv, index);
1463 devdbg(usbdev, "remove_key: %i:%s:%i", index, is_wpa ? "wpa" : "wep",
1464 priv->encr_keys[index].len);
1466 clear_key(priv, index);
1469 remove_key.size = cpu_to_le32(sizeof(remove_key));
1470 remove_key.index = cpu_to_le32(index);
1473 if (!is_broadcast_ether_addr(bssid))
1475 NDIS_80211_ADDKEY_PAIRWISE_KEY;
1476 memcpy(remove_key.bssid, bssid,
1477 sizeof(remove_key.bssid));
1479 memset(remove_key.bssid, 0xff,
1480 sizeof(remove_key.bssid));
1482 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1483 sizeof(remove_key));
1487 keyindex = cpu_to_le32(index);
1488 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1492 "removing encryption key %d failed (%08X)",
1498 /* if it is transmit key, disable encryption */
1499 if (index == priv->encr_tx_key_index)
1500 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1506 static void set_multicast_list(struct usbnet *usbdev)
1508 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1509 struct dev_mc_list *mclist;
1514 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1516 if (usbdev->net->flags & IFF_PROMISC) {
1517 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1518 RNDIS_PACKET_TYPE_ALL_LOCAL;
1519 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1520 usbdev->net->mc_count > priv->multicast_size) {
1521 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1522 } else if (usbdev->net->mc_count > 0) {
1523 size = min(priv->multicast_size, usbdev->net->mc_count);
1524 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1527 "couldn't alloc %d bytes of memory",
1532 mclist = usbdev->net->mc_list;
1533 for (i = 0; i < size && mclist; mclist = mclist->next) {
1534 if (mclist->dmi_addrlen != ETH_ALEN)
1537 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1541 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1543 if (ret == 0 && i > 0)
1544 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1546 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1548 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1549 i, priv->multicast_size, ret);
1554 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1557 devwarn(usbdev, "couldn't set packet filter: %08x",
1558 le32_to_cpu(filter));
1561 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1562 le32_to_cpu(filter), ret);
1569 static int rndis_change_virtual_intf(struct wiphy *wiphy,
1570 struct net_device *dev,
1571 enum nl80211_iftype type, u32 *flags,
1572 struct vif_params *params)
1574 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1575 struct usbnet *usbdev = priv->usbdev;
1579 case NL80211_IFTYPE_ADHOC:
1580 mode = NDIS_80211_INFRA_ADHOC;
1582 case NL80211_IFTYPE_STATION:
1583 mode = NDIS_80211_INFRA_INFRA;
1589 priv->wdev.iftype = type;
1591 return set_infra_mode(usbdev, mode);
1595 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1597 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1598 struct usbnet *usbdev = priv->usbdev;
1601 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1602 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1607 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1608 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1617 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
1620 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1621 struct usbnet *usbdev = priv->usbdev;
1623 devdbg(usbdev, "rndis_set_tx_power type:0x%x dbm:%i", type, dbm);
1625 /* Device doesn't support changing txpower after initialization, only
1626 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1629 if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) {
1630 if (!priv->radio_on)
1631 disassociate(usbdev, 1); /* turn on radio */
1640 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1642 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1643 struct usbnet *usbdev = priv->usbdev;
1645 *dbm = get_bcm4320_power_dbm(priv);
1647 devdbg(usbdev, "rndis_get_tx_power dbm:%i", *dbm);
1653 #define SCAN_DELAY_JIFFIES (6 * HZ)
1654 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1655 struct cfg80211_scan_request *request)
1657 struct usbnet *usbdev = netdev_priv(dev);
1658 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1662 devdbg(usbdev, "cfg80211.scan");
1664 /* Get current bssid list from device before new scan, as new scan
1665 * clears internal bssid list.
1667 rndis_check_bssid_list(usbdev);
1672 if (priv->scan_request && priv->scan_request != request)
1675 priv->scan_request = request;
1677 tmp = cpu_to_le32(1);
1678 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1681 /* Wait before retrieving scan results from device */
1682 queue_delayed_work(priv->workqueue, &priv->scan_work,
1683 SCAN_DELAY_JIFFIES);
1690 static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1691 struct ndis_80211_bssid_ex *bssid)
1693 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1694 struct ieee80211_channel *channel;
1698 u16 beacon_interval;
1699 struct ndis_80211_fixed_ies *fixed;
1700 int ie_len, bssid_len;
1703 devdbg(usbdev, " found bssid: '%.32s' [%pM]", bssid->ssid.essid,
1706 /* parse bssid structure */
1707 bssid_len = le32_to_cpu(bssid->length);
1709 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1710 sizeof(struct ndis_80211_fixed_ies))
1713 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1715 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1716 ie_len = min(bssid_len - (int)sizeof(*bssid),
1717 (int)le32_to_cpu(bssid->ie_length));
1718 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1722 /* extract data for cfg80211_inform_bss */
1723 channel = ieee80211_get_channel(priv->wdev.wiphy,
1724 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1728 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1729 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1730 capability = le16_to_cpu(fixed->capabilities);
1731 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1733 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1734 timestamp, capability, beacon_interval, ie, ie_len, signal,
1739 static int rndis_check_bssid_list(struct usbnet *usbdev)
1742 struct ndis_80211_bssid_list_ex *bssid_list;
1743 struct ndis_80211_bssid_ex *bssid;
1744 int ret = -EINVAL, len, count, bssid_len;
1745 bool resized = false;
1747 devdbg(usbdev, "check_bssid_list");
1749 len = CONTROL_BUFFER_SIZE;
1751 buf = kmalloc(len, GFP_KERNEL);
1757 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1761 if (!resized && len > CONTROL_BUFFER_SIZE) {
1768 bssid = bssid_list->bssid;
1769 bssid_len = le32_to_cpu(bssid->length);
1770 count = le32_to_cpu(bssid_list->num_items);
1771 devdbg(usbdev, "check_bssid_list: %d BSSIDs found (buflen: %d)", count,
1774 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1775 rndis_bss_info_update(usbdev, bssid);
1777 bssid = (void *)bssid + bssid_len;
1778 bssid_len = le32_to_cpu(bssid->length);
1788 static void rndis_get_scan_results(struct work_struct *work)
1790 struct rndis_wlan_private *priv =
1791 container_of(work, struct rndis_wlan_private, scan_work.work);
1792 struct usbnet *usbdev = priv->usbdev;
1795 devdbg(usbdev, "get_scan_results");
1797 if (!priv->scan_request)
1800 ret = rndis_check_bssid_list(usbdev);
1802 cfg80211_scan_done(priv->scan_request, ret < 0);
1804 priv->scan_request = NULL;
1807 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
1808 struct cfg80211_connect_params *sme)
1810 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1811 struct usbnet *usbdev = priv->usbdev;
1812 struct ieee80211_channel *channel = sme->channel;
1813 struct ndis_80211_ssid ssid;
1814 int pairwise = RNDIS_WLAN_ALG_NONE;
1815 int groupwise = RNDIS_WLAN_ALG_NONE;
1816 int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
1817 int length, i, ret, chan = -1;
1820 chan = ieee80211_frequency_to_channel(channel->center_freq);
1822 groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
1823 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
1825 rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
1827 if (sme->crypto.n_ciphers_pairwise > 0 &&
1828 pairwise == RNDIS_WLAN_ALG_NONE) {
1829 deverr(usbdev, "Unsupported pairwise cipher");
1833 for (i = 0; i < sme->crypto.n_akm_suites; i++)
1835 rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
1837 if (sme->crypto.n_akm_suites > 0 &&
1838 keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
1839 deverr(usbdev, "Invalid keymgmt");
1843 devdbg(usbdev, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:"
1844 "0x%x]:0x%x)", sme->ssid, sme->bssid, chan,
1845 sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
1846 groupwise, pairwise, keymgmt);
1848 if (is_associated(usbdev))
1849 disassociate(usbdev, false);
1851 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1853 devdbg(usbdev, "connect: set_infra_mode failed, %d", ret);
1854 goto err_turn_radio_on;
1857 ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
1860 devdbg(usbdev, "connect: set_auth_mode failed, %d", ret);
1861 goto err_turn_radio_on;
1864 set_priv_filter(usbdev);
1866 ret = set_encr_mode(usbdev, pairwise, groupwise);
1868 devdbg(usbdev, "connect: set_encr_mode failed, %d", ret);
1869 goto err_turn_radio_on;
1873 ret = set_channel(usbdev, chan);
1875 devdbg(usbdev, "connect: set_channel failed, %d", ret);
1876 goto err_turn_radio_on;
1880 if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
1881 priv->encr_tx_key_index = sme->key_idx;
1882 ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
1884 devdbg(usbdev, "connect: add_wep_key failed, %d "
1885 "(%d, %d)", ret, sme->key_len, sme->key_idx);
1886 goto err_turn_radio_on;
1890 if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
1891 !is_broadcast_ether_addr(sme->bssid)) {
1892 ret = set_bssid(usbdev, sme->bssid);
1894 devdbg(usbdev, "connect: set_bssid failed, %d", ret);
1895 goto err_turn_radio_on;
1898 clear_bssid(usbdev);
1900 length = sme->ssid_len;
1901 if (length > NDIS_802_11_LENGTH_SSID)
1902 length = NDIS_802_11_LENGTH_SSID;
1904 memset(&ssid, 0, sizeof(ssid));
1905 ssid.length = cpu_to_le32(length);
1906 memcpy(ssid.essid, sme->ssid, length);
1908 /* Pause and purge rx queue, so we don't pass packets before
1909 * 'media connect'-indication.
1911 usbnet_pause_rx(usbdev);
1912 usbnet_purge_paused_rxq(usbdev);
1914 ret = set_essid(usbdev, &ssid);
1916 devdbg(usbdev, "connect: set_essid failed, %d", ret);
1920 disassociate(usbdev, 1);
1925 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
1928 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1929 struct usbnet *usbdev = priv->usbdev;
1931 devdbg(usbdev, "cfg80211.disconnect(%d)", reason_code);
1933 priv->connected = false;
1935 return deauthenticate(usbdev);
1938 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1939 struct cfg80211_ibss_params *params)
1941 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1942 struct usbnet *usbdev = priv->usbdev;
1943 struct ieee80211_channel *channel = params->channel;
1944 struct ndis_80211_ssid ssid;
1945 enum nl80211_auth_type auth_type;
1946 int ret, alg, length, chan = -1;
1949 chan = ieee80211_frequency_to_channel(channel->center_freq);
1951 /* TODO: How to handle ad-hoc encryption?
1952 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
1953 * pre-shared for encryption (open/shared/wpa), is key set before
1954 * join_ibss? Which auth_type to use (not in params)? What about WPA?
1956 if (params->privacy) {
1957 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
1958 alg = RNDIS_WLAN_ALG_WEP;
1960 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1961 alg = RNDIS_WLAN_ALG_NONE;
1964 devdbg(usbdev, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)", params->ssid,
1965 params->bssid, chan, params->privacy);
1967 if (is_associated(usbdev))
1968 disassociate(usbdev, false);
1970 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
1972 devdbg(usbdev, "join_ibss: set_infra_mode failed, %d", ret);
1973 goto err_turn_radio_on;
1976 ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
1978 devdbg(usbdev, "join_ibss: set_auth_mode failed, %d", ret);
1979 goto err_turn_radio_on;
1982 set_priv_filter(usbdev);
1984 ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
1986 devdbg(usbdev, "join_ibss: set_encr_mode failed, %d", ret);
1987 goto err_turn_radio_on;
1991 ret = set_channel(usbdev, chan);
1993 devdbg(usbdev, "join_ibss: set_channel failed, %d",
1995 goto err_turn_radio_on;
1999 if (params->bssid && !is_zero_ether_addr(params->bssid) &&
2000 !is_broadcast_ether_addr(params->bssid)) {
2001 ret = set_bssid(usbdev, params->bssid);
2003 devdbg(usbdev, "join_ibss: set_bssid failed, %d", ret);
2004 goto err_turn_radio_on;
2007 clear_bssid(usbdev);
2009 length = params->ssid_len;
2010 if (length > NDIS_802_11_LENGTH_SSID)
2011 length = NDIS_802_11_LENGTH_SSID;
2013 memset(&ssid, 0, sizeof(ssid));
2014 ssid.length = cpu_to_le32(length);
2015 memcpy(ssid.essid, params->ssid, length);
2017 /* Don't need to pause rx queue for ad-hoc. */
2018 usbnet_purge_paused_rxq(usbdev);
2019 usbnet_resume_rx(usbdev);
2021 ret = set_essid(usbdev, &ssid);
2023 devdbg(usbdev, "join_ibss: set_essid failed, %d", ret);
2027 disassociate(usbdev, 1);
2032 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2034 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2035 struct usbnet *usbdev = priv->usbdev;
2037 devdbg(usbdev, "cfg80211.leave_ibss()");
2039 priv->connected = false;
2041 return deauthenticate(usbdev);
2044 static int rndis_set_channel(struct wiphy *wiphy,
2045 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type)
2047 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2048 struct usbnet *usbdev = priv->usbdev;
2050 return set_channel(usbdev,
2051 ieee80211_frequency_to_channel(chan->center_freq));
2054 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
2055 u8 key_index, const u8 *mac_addr,
2056 struct key_params *params)
2058 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2059 struct usbnet *usbdev = priv->usbdev;
2062 devdbg(usbdev, "rndis_add_key(%i, %pM, %08x)", key_index, mac_addr,
2065 switch (params->cipher) {
2066 case WLAN_CIPHER_SUITE_WEP40:
2067 case WLAN_CIPHER_SUITE_WEP104:
2068 return add_wep_key(usbdev, params->key, params->key_len,
2070 case WLAN_CIPHER_SUITE_TKIP:
2071 case WLAN_CIPHER_SUITE_CCMP:
2074 if (params->seq && params->seq_len > 0)
2075 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2077 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
2078 NDIS_80211_ADDKEY_TRANSMIT_KEY;
2080 return add_wpa_key(usbdev, params->key, params->key_len,
2081 key_index, mac_addr, params->seq,
2082 params->seq_len, params->cipher, flags);
2084 devdbg(usbdev, "rndis_add_key: unsupported cipher %08x",
2090 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
2091 u8 key_index, const u8 *mac_addr)
2093 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2094 struct usbnet *usbdev = priv->usbdev;
2096 devdbg(usbdev, "rndis_del_key(%i, %pM)", key_index, mac_addr);
2098 return remove_key(usbdev, key_index, mac_addr);
2101 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
2104 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2105 struct usbnet *usbdev = priv->usbdev;
2106 struct rndis_wlan_encr_key key;
2108 devdbg(usbdev, "rndis_set_default_key(%i)", key_index);
2110 priv->encr_tx_key_index = key_index;
2112 key = priv->encr_keys[key_index];
2114 return add_wep_key(usbdev, key.material, key.len, key_index);
2118 * wireless extension handlers
2121 static int rndis_iw_commit(struct net_device *dev,
2122 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2129 /* Commented code out instead of removing to have more sane patch for review.
2130 * Will be removed later in the set.
2132 static int rndis_iw_set_essid(struct net_device *dev,
2133 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
2135 struct ndis_80211_ssid ssid;
2136 int length = wrqu->essid.length;
2137 struct usbnet *usbdev = netdev_priv(dev);
2139 devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
2140 wrqu->essid.flags, wrqu->essid.length, essid);
2142 if (length > NDIS_802_11_LENGTH_SSID)
2143 length = NDIS_802_11_LENGTH_SSID;
2145 ssid.length = cpu_to_le32(length);
2147 memcpy(ssid.essid, essid, length);
2149 memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID);
2151 set_assoc_params(usbdev);
2153 if (!wrqu->essid.flags || length == 0)
2154 return disassociate(usbdev, 1);
2156 /* Pause and purge rx queue, so we don't pass packets before
2157 * 'media connect'-indication.
2159 usbnet_pause_rx(usbdev);
2160 usbnet_purge_paused_rxq(usbdev);
2162 return set_essid(usbdev, &ssid);
2167 static int rndis_iw_get_essid(struct net_device *dev,
2168 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
2170 struct ndis_80211_ssid ssid;
2171 struct usbnet *usbdev = netdev_priv(dev);
2174 ret = get_essid(usbdev, &ssid);
2176 if (ret == 0 && le32_to_cpu(ssid.length) > 0) {
2177 wrqu->essid.flags = 1;
2178 wrqu->essid.length = le32_to_cpu(ssid.length);
2179 memcpy(essid, ssid.essid, wrqu->essid.length);
2180 essid[wrqu->essid.length] = 0;
2182 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
2183 wrqu->essid.flags = 0;
2184 wrqu->essid.length = 0;
2186 devdbg(usbdev, "SIOCGIWESSID: %s", essid);
2191 static int rndis_iw_get_bssid(struct net_device *dev,
2192 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2194 struct usbnet *usbdev = netdev_priv(dev);
2195 unsigned char bssid[ETH_ALEN];
2198 ret = get_bssid(usbdev, bssid);
2201 devdbg(usbdev, "SIOCGIWAP: %pM", bssid);
2203 devdbg(usbdev, "SIOCGIWAP: <not associated>");
2205 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
2206 memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
2212 static int rndis_iw_set_bssid(struct net_device *dev,
2213 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2215 struct usbnet *usbdev = netdev_priv(dev);
2216 u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
2219 devdbg(usbdev, "SIOCSIWAP: %pM", bssid);
2221 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
2223 /* user apps may set ap's mac address, which is not required;
2224 * they may fail to work if this function fails, so return
2227 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
2233 static int rndis_iw_set_auth(struct net_device *dev,
2234 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2236 struct iw_param *p = &wrqu->param;
2237 struct usbnet *usbdev = netdev_priv(dev);
2238 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2239 int ret = -ENOTSUPP;
2241 switch (p->flags & IW_AUTH_INDEX) {
2242 case IW_AUTH_WPA_VERSION:
2243 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
2244 priv->wpa_version = p->value;
2248 case IW_AUTH_CIPHER_PAIRWISE:
2249 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
2250 priv->wpa_cipher_pair = p->value;
2254 case IW_AUTH_CIPHER_GROUP:
2255 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
2256 priv->wpa_cipher_group = p->value;
2260 case IW_AUTH_KEY_MGMT:
2261 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
2262 priv->wpa_keymgmt = p->value;
2266 case IW_AUTH_TKIP_COUNTERMEASURES:
2267 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
2272 case IW_AUTH_DROP_UNENCRYPTED:
2273 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
2277 case IW_AUTH_80211_AUTH_ALG:
2278 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
2279 priv->wpa_authalg = p->value;
2283 case IW_AUTH_WPA_ENABLED:
2284 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
2285 if (wrqu->param.value)
2286 deauthenticate(usbdev);
2290 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
2291 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
2296 case IW_AUTH_ROAMING_CONTROL:
2297 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
2301 case IW_AUTH_PRIVACY_INVOKED:
2302 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
2303 wrqu->param.flags & IW_AUTH_INDEX);
2307 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
2308 p->flags & IW_AUTH_INDEX, p->value);
2314 static int rndis_iw_get_auth(struct net_device *dev,
2315 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2317 struct iw_param *p = &wrqu->param;
2318 struct usbnet *usbdev = netdev_priv(dev);
2319 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2321 switch (p->flags & IW_AUTH_INDEX) {
2322 case IW_AUTH_WPA_VERSION:
2323 p->value = priv->wpa_version;
2325 case IW_AUTH_CIPHER_PAIRWISE:
2326 p->value = priv->wpa_cipher_pair;
2328 case IW_AUTH_CIPHER_GROUP:
2329 p->value = priv->wpa_cipher_group;
2331 case IW_AUTH_KEY_MGMT:
2332 p->value = priv->wpa_keymgmt;
2334 case IW_AUTH_80211_AUTH_ALG:
2335 p->value = priv->wpa_authalg;
2338 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
2339 wrqu->param.flags & IW_AUTH_INDEX);
2346 static int rndis_iw_set_encode(struct net_device *dev,
2347 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2349 struct usbnet *usbdev = netdev_priv(dev);
2350 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2351 struct rndis_wlan_encr_key key;
2352 int ret, index, key_len;
2355 index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
2357 /* iwconfig gives index as 1 - N */
2361 index = priv->encr_tx_key_index;
2363 if (index < 0 || index >= 4) {
2364 devwarn(usbdev, "encryption index out of range (%u)", index);
2368 /* remove key if disabled */
2369 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
2370 if (remove_key(usbdev, index, NULL))
2376 /* global encryption state (for all keys) */
2377 if (wrqu->data.flags & IW_ENCODE_OPEN)
2378 ret = set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
2379 RNDIS_WLAN_KEY_MGMT_NONE);
2380 else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
2381 ret = set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_SHARED_KEY,
2382 RNDIS_WLAN_KEY_MGMT_NONE);
2386 if (wrqu->data.length > 0) {
2387 key_len = wrqu->data.length;
2390 /* must be set as tx key */
2391 if (priv->encr_keys[index].len == 0)
2393 key = priv->encr_keys[index];
2395 keybuf = key.material;
2396 priv->encr_tx_key_index = index;
2399 if (add_wep_key(usbdev, keybuf, key_len, index) != 0)
2402 if (index == priv->encr_tx_key_index)
2403 /* ndis drivers want essid to be set after setting encr */
2404 set_essid(usbdev, &priv->essid);
2410 static int rndis_iw_set_encode_ext(struct net_device *dev,
2411 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2413 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
2414 struct usbnet *usbdev = netdev_priv(dev);
2415 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2416 int keyidx, flags, cipher;
2418 keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
2420 /* iwconfig gives index as 1 - N */
2424 keyidx = priv->encr_tx_key_index;
2426 if (keyidx < 0 || keyidx >= 4) {
2427 devwarn(usbdev, "encryption index out of range (%u)", keyidx);
2431 if (ext->alg == IW_ENCODE_ALG_WEP) {
2432 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
2433 priv->encr_tx_key_index = keyidx;
2434 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
2438 if (ext->alg == IW_ENCODE_ALG_TKIP)
2439 cipher = WLAN_CIPHER_SUITE_TKIP;
2440 else if (ext->alg == IW_ENCODE_ALG_CCMP)
2441 cipher = WLAN_CIPHER_SUITE_CCMP;
2443 if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
2444 ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
2445 return remove_key(usbdev, keyidx, NULL);
2451 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
2452 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2453 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY))
2454 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
2455 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
2456 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;
2458 return add_wpa_key(usbdev, ext->key, ext->key_len, keyidx,
2459 (u8 *)&ext->addr.sa_data, ext->rx_seq, cipher,
2465 static int rndis_iw_get_rate(struct net_device *dev,
2466 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2468 struct usbnet *usbdev = netdev_priv(dev);
2473 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2475 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
2476 wrqu->bitrate.disabled = 0;
2477 wrqu->bitrate.flags = 1;
2483 static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2485 struct usbnet *usbdev = netdev_priv(dev);
2486 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2487 unsigned long flags;
2489 spin_lock_irqsave(&priv->stats_lock, flags);
2490 memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2491 spin_unlock_irqrestore(&priv->stats_lock, flags);
2493 return &priv->iwstats;
2497 #define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2498 static const iw_handler rndis_iw_handler[] =
2500 IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
2501 IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
2502 IW_IOCTL(SIOCSIWFREQ) = (iw_handler) cfg80211_wext_siwfreq,
2503 IW_IOCTL(SIOCGIWFREQ) = (iw_handler) cfg80211_wext_giwfreq,
2504 IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode,
2505 IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode,
2506 IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange,
2507 IW_IOCTL(SIOCSIWAP) = (iw_handler) cfg80211_wext_siwap,
2508 IW_IOCTL(SIOCGIWAP) = (iw_handler) cfg80211_wext_giwap,
2509 IW_IOCTL(SIOCSIWSCAN) = (iw_handler) cfg80211_wext_siwscan,
2510 IW_IOCTL(SIOCGIWSCAN) = (iw_handler) cfg80211_wext_giwscan,
2511 IW_IOCTL(SIOCSIWESSID) = (iw_handler) cfg80211_wext_siwessid,
2512 IW_IOCTL(SIOCGIWESSID) = (iw_handler) cfg80211_wext_giwessid,
2513 IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
2514 IW_IOCTL(SIOCSIWRTS) = (iw_handler) cfg80211_wext_siwrts,
2515 IW_IOCTL(SIOCGIWRTS) = (iw_handler) cfg80211_wext_giwrts,
2516 IW_IOCTL(SIOCSIWFRAG) = (iw_handler) cfg80211_wext_siwfrag,
2517 IW_IOCTL(SIOCGIWFRAG) = (iw_handler) cfg80211_wext_giwfrag,
2518 IW_IOCTL(SIOCSIWTXPOW) = (iw_handler) cfg80211_wext_siwtxpower,
2519 IW_IOCTL(SIOCGIWTXPOW) = (iw_handler) cfg80211_wext_giwtxpower,
2520 IW_IOCTL(SIOCSIWENCODE) = (iw_handler) cfg80211_wext_siwencode,
2521 IW_IOCTL(SIOCSIWENCODEEXT) = (iw_handler) cfg80211_wext_siwencodeext,
2522 IW_IOCTL(SIOCSIWAUTH) = (iw_handler) cfg80211_wext_siwauth,
2523 IW_IOCTL(SIOCGIWAUTH) = (iw_handler) cfg80211_wext_giwauth,
2524 IW_IOCTL(SIOCSIWGENIE) = (iw_handler) cfg80211_wext_siwgenie,
2525 IW_IOCTL(SIOCSIWMLME) = (iw_handler) cfg80211_wext_siwmlme,
2528 static const iw_handler rndis_wlan_private_handler[] = {
2531 static const struct iw_priv_args rndis_wlan_private_args[] = {
2535 static const struct iw_handler_def rndis_iw_handlers = {
2536 .num_standard = ARRAY_SIZE(rndis_iw_handler),
2537 .num_private = ARRAY_SIZE(rndis_wlan_private_handler),
2538 .num_private_args = ARRAY_SIZE(rndis_wlan_private_args),
2539 .standard = (iw_handler *)rndis_iw_handler,
2540 .private = (iw_handler *)rndis_wlan_private_handler,
2541 .private_args = (struct iw_priv_args *)rndis_wlan_private_args,
2542 .get_wireless_stats = rndis_get_wireless_stats,
2546 static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
2548 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2549 struct ndis_80211_assoc_info *info;
2550 u8 assoc_buf[sizeof(*info) + IW_CUSTOM_MAX + 32];
2552 int resp_ie_len, req_ie_len;
2553 u8 *req_ie, *resp_ie;
2555 bool roamed = false;
2557 if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
2558 /* received media connect indication while connected, either
2559 * device reassociated with same AP or roamed to new. */
2568 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2569 memset(assoc_buf, 0, sizeof(assoc_buf));
2570 info = (void *)assoc_buf;
2572 /* Get association info IEs from device and send them back to
2574 ret = get_association_info(usbdev, info, sizeof(assoc_buf));
2576 req_ie_len = le32_to_cpu(info->req_ie_length);
2577 if (req_ie_len > 0) {
2578 offset = le32_to_cpu(info->offset_req_ies);
2579 req_ie = (u8 *)info + offset;
2582 resp_ie_len = le32_to_cpu(info->resp_ie_length);
2583 if (resp_ie_len > 0) {
2584 offset = le32_to_cpu(info->offset_resp_ies);
2585 resp_ie = (u8 *)info + offset;
2588 } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2591 ret = get_bssid(usbdev, bssid);
2593 memset(bssid, 0, sizeof(bssid));
2595 devdbg(usbdev, "link up work: [%pM] %s", bssid, roamed ? "roamed" : "");
2597 /* Internal bss list in device always contains at least the currently
2598 * connected bss and we can get it to cfg80211 with
2599 * rndis_check_bssid_list().
2600 * NOTE: This is true for Broadcom chip, but not mentioned in RNDIS
2603 rndis_check_bssid_list(usbdev);
2605 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2607 cfg80211_connect_result(usbdev->net, bssid, req_ie,
2608 req_ie_len, resp_ie,
2609 resp_ie_len, 0, GFP_KERNEL);
2611 cfg80211_roamed(usbdev->net, bssid, req_ie, req_ie_len,
2612 resp_ie, resp_ie_len, GFP_KERNEL);
2613 } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
2614 cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
2616 priv->connected = true;
2618 usbnet_resume_rx(usbdev);
2619 netif_carrier_on(usbdev->net);
2622 static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2624 union iwreq_data evt;
2626 netif_carrier_off(usbdev->net);
2629 evt.data.length = 0;
2630 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2631 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2634 static void rndis_wlan_worker(struct work_struct *work)
2636 struct rndis_wlan_private *priv =
2637 container_of(work, struct rndis_wlan_private, work);
2638 struct usbnet *usbdev = priv->usbdev;
2640 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2641 rndis_wlan_do_link_up_work(usbdev);
2643 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2644 rndis_wlan_do_link_down_work(usbdev);
2646 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2647 set_multicast_list(usbdev);
2650 static void rndis_wlan_set_multicast_list(struct net_device *dev)
2652 struct usbnet *usbdev = netdev_priv(dev);
2653 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2655 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2658 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2659 queue_work(priv->workqueue, &priv->work);
2663 static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2664 struct ndis_80211_status_indication *indication,
2670 bool pairwise_error, group_error;
2671 struct ndis_80211_auth_request *auth_req;
2673 /* must have at least one array entry */
2674 if (len < offsetof(struct ndis_80211_status_indication, u) +
2675 sizeof(struct ndis_80211_auth_request)) {
2676 devinfo(usbdev, "authentication indication: "
2677 "too short message (%i)", len);
2681 buf = (void *)&indication->u.auth_request[0];
2682 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2684 while (buflen >= sizeof(*auth_req)) {
2685 auth_req = (void *)buf;
2687 flags = le32_to_cpu(auth_req->flags);
2688 pairwise_error = false;
2689 group_error = false;
2692 type = "reauth request";
2694 type = "key update request";
2696 pairwise_error = true;
2697 type = "pairwise_error";
2701 type = "group_error";
2704 devinfo(usbdev, "authentication indication: %s (0x%08x)", type,
2705 le32_to_cpu(auth_req->flags));
2707 if (pairwise_error || group_error) {
2708 union iwreq_data wrqu;
2709 struct iw_michaelmicfailure micfailure;
2711 memset(&micfailure, 0, sizeof(micfailure));
2713 micfailure.flags |= IW_MICFAILURE_PAIRWISE;
2715 micfailure.flags |= IW_MICFAILURE_GROUP;
2717 memcpy(micfailure.src_addr.sa_data, auth_req->bssid,
2720 memset(&wrqu, 0, sizeof(wrqu));
2721 wrqu.data.length = sizeof(micfailure);
2722 wireless_send_event(usbdev->net, IWEVMICHAELMICFAILURE,
2723 &wrqu, (u8 *)&micfailure);
2726 buflen -= le32_to_cpu(auth_req->length);
2727 buf += le32_to_cpu(auth_req->length);
2731 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2732 struct ndis_80211_status_indication *indication,
2735 struct ndis_80211_pmkid_cand_list *cand_list;
2736 int list_len, expected_len, i;
2738 if (len < offsetof(struct ndis_80211_status_indication, u) +
2739 sizeof(struct ndis_80211_pmkid_cand_list)) {
2740 devinfo(usbdev, "pmkid candidate list indication: "
2741 "too short message (%i)", len);
2745 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2746 sizeof(struct ndis_80211_pmkid_candidate);
2747 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2748 offsetof(struct ndis_80211_status_indication, u);
2750 if (len < expected_len) {
2751 devinfo(usbdev, "pmkid candidate list indication: "
2752 "list larger than buffer (%i < %i)",
2757 cand_list = &indication->u.cand_list;
2759 devinfo(usbdev, "pmkid candidate list indication: "
2760 "version %i, candidates %i",
2761 le32_to_cpu(cand_list->version),
2762 le32_to_cpu(cand_list->num_candidates));
2764 if (le32_to_cpu(cand_list->version) != 1)
2767 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
2768 struct iw_pmkid_cand pcand;
2769 union iwreq_data wrqu;
2770 struct ndis_80211_pmkid_candidate *cand =
2771 &cand_list->candidate_list[i];
2773 devdbg(usbdev, "cand[%i]: flags: 0x%08x, bssid: %pM",
2774 i, le32_to_cpu(cand->flags), cand->bssid);
2776 memset(&pcand, 0, sizeof(pcand));
2777 if (le32_to_cpu(cand->flags) & 0x01)
2778 pcand.flags |= IW_PMKID_CAND_PREAUTH;
2780 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
2782 memset(&wrqu, 0, sizeof(wrqu));
2783 wrqu.data.length = sizeof(pcand);
2784 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
2789 static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
2790 struct rndis_indicate *msg, int buflen)
2792 struct ndis_80211_status_indication *indication;
2795 offset = offsetof(struct rndis_indicate, status) +
2796 le32_to_cpu(msg->offset);
2797 len = le32_to_cpu(msg->length);
2800 devinfo(usbdev, "media specific indication, "
2801 "ignore too short message (%i < 8)", len);
2805 if (offset + len > buflen) {
2806 devinfo(usbdev, "media specific indication, "
2807 "too large to fit to buffer (%i > %i)",
2808 offset + len, buflen);
2812 indication = (void *)((u8 *)msg + offset);
2814 switch (le32_to_cpu(indication->status_type)) {
2815 case NDIS_80211_STATUSTYPE_RADIOSTATE:
2816 devinfo(usbdev, "radio state indication: %i",
2817 le32_to_cpu(indication->u.radio_status));
2820 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
2821 devinfo(usbdev, "media stream mode indication: %i",
2822 le32_to_cpu(indication->u.media_stream_mode));
2825 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
2826 rndis_wlan_auth_indication(usbdev, indication, len);
2829 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
2830 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
2834 devinfo(usbdev, "media specific indication: "
2835 "unknown status type 0x%08x",
2836 le32_to_cpu(indication->status_type));
2841 static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
2843 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2844 struct rndis_indicate *msg = ind;
2846 switch (msg->status) {
2847 case RNDIS_STATUS_MEDIA_CONNECT:
2848 if (priv->current_command_oid == OID_802_11_ADD_KEY) {
2849 /* OID_802_11_ADD_KEY causes sometimes extra
2850 * "media connect" indications which confuses driver
2851 * and userspace to think that device is
2852 * roaming/reassociating when it isn't.
2854 devdbg(usbdev, "ignored OID_802_11_ADD_KEY triggered "
2859 usbnet_pause_rx(usbdev);
2861 devinfo(usbdev, "media connect");
2863 /* queue work to avoid recursive calls into rndis_command */
2864 set_bit(WORK_LINK_UP, &priv->work_pending);
2865 queue_work(priv->workqueue, &priv->work);
2868 case RNDIS_STATUS_MEDIA_DISCONNECT:
2869 devinfo(usbdev, "media disconnect");
2871 /* queue work to avoid recursive calls into rndis_command */
2872 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2873 queue_work(priv->workqueue, &priv->work);
2876 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
2877 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
2881 devinfo(usbdev, "indication: 0x%08x",
2882 le32_to_cpu(msg->status));
2888 static int rndis_wlan_get_caps(struct usbnet *usbdev)
2893 } networks_supported;
2894 int len, retval, i, n;
2895 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2897 /* determine supported modes */
2898 len = sizeof(networks_supported);
2899 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
2900 &networks_supported, &len);
2902 n = le32_to_cpu(networks_supported.num_items);
2905 for (i = 0; i < n; i++) {
2906 switch (le32_to_cpu(networks_supported.items[i])) {
2907 case NDIS_80211_TYPE_FREQ_HOP:
2908 case NDIS_80211_TYPE_DIRECT_SEQ:
2909 priv->caps |= CAP_MODE_80211B;
2911 case NDIS_80211_TYPE_OFDM_A:
2912 priv->caps |= CAP_MODE_80211A;
2914 case NDIS_80211_TYPE_OFDM_G:
2915 priv->caps |= CAP_MODE_80211G;
2925 #define STATS_UPDATE_JIFFIES (HZ)
2926 static void rndis_update_wireless_stats(struct work_struct *work)
2928 struct rndis_wlan_private *priv =
2929 container_of(work, struct rndis_wlan_private, stats_work.work);
2930 struct usbnet *usbdev = priv->usbdev;
2931 struct iw_statistics iwstats;
2934 unsigned long flags;
2935 int update_jiffies = STATS_UPDATE_JIFFIES;
2938 spin_lock_irqsave(&priv->stats_lock, flags);
2939 memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
2940 spin_unlock_irqrestore(&priv->stats_lock, flags);
2942 /* only update stats when connected */
2943 if (!is_associated(usbdev)) {
2944 iwstats.qual.qual = 0;
2945 iwstats.qual.level = 0;
2946 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2947 | IW_QUAL_LEVEL_UPDATED
2948 | IW_QUAL_NOISE_INVALID
2949 | IW_QUAL_QUAL_INVALID
2950 | IW_QUAL_LEVEL_INVALID;
2955 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2957 devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
2960 memset(&iwstats.qual, 0, sizeof(iwstats.qual));
2961 iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
2962 iwstats.qual.level = level_to_qual(le32_to_cpu(rssi));
2963 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2964 | IW_QUAL_LEVEL_UPDATED
2965 | IW_QUAL_NOISE_INVALID;
2968 memset(&iwstats.discard, 0, sizeof(iwstats.discard));
2971 ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
2973 iwstats.discard.misc += le32_to_cpu(tmp);
2976 ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
2978 iwstats.discard.misc += le32_to_cpu(tmp);
2981 ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
2983 iwstats.discard.misc += le32_to_cpu(tmp);
2985 /* Workaround transfer stalls on poor quality links.
2986 * TODO: find right way to fix these stalls (as stalls do not happen
2987 * with ndiswrapper/windows driver). */
2988 if (iwstats.qual.qual <= 25) {
2989 /* Decrease stats worker interval to catch stalls.
2990 * faster. Faster than 400-500ms causes packet loss,
2991 * Slower doesn't catch stalls fast enough.
2993 j = msecs_to_jiffies(priv->param_workaround_interval);
2994 if (j > STATS_UPDATE_JIFFIES)
2995 j = STATS_UPDATE_JIFFIES;
3000 /* Send scan OID. Use of both OIDs is required to get device
3003 tmp = cpu_to_le32(1);
3004 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
3007 len = CONTROL_BUFFER_SIZE;
3008 buf = kmalloc(len, GFP_KERNEL);
3012 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
3016 spin_lock_irqsave(&priv->stats_lock, flags);
3017 memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
3018 spin_unlock_irqrestore(&priv->stats_lock, flags);
3020 if (update_jiffies >= HZ)
3021 update_jiffies = round_jiffies_relative(update_jiffies);
3023 j = round_jiffies_relative(update_jiffies);
3024 if (abs(j - update_jiffies) <= 10)
3028 queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
3032 static int bcm4320a_early_init(struct usbnet *usbdev)
3034 /* bcm4320a doesn't handle configuration parameters well. Try
3035 * set any and you get partially zeroed mac and broken device.
3042 static int bcm4320b_early_init(struct usbnet *usbdev)
3044 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3047 /* Early initialization settings, setting these won't have effect
3048 * if called after generic_rndis_bind().
3051 priv->param_country[0] = modparam_country[0];
3052 priv->param_country[1] = modparam_country[1];
3053 priv->param_country[2] = 0;
3054 priv->param_frameburst = modparam_frameburst;
3055 priv->param_afterburner = modparam_afterburner;
3056 priv->param_power_save = modparam_power_save;
3057 priv->param_power_output = modparam_power_output;
3058 priv->param_roamtrigger = modparam_roamtrigger;
3059 priv->param_roamdelta = modparam_roamdelta;
3061 priv->param_country[0] = toupper(priv->param_country[0]);
3062 priv->param_country[1] = toupper(priv->param_country[1]);
3063 /* doesn't support EU as country code, use FI instead */
3064 if (!strcmp(priv->param_country, "EU"))
3065 strcpy(priv->param_country, "FI");
3067 if (priv->param_power_save < 0)
3068 priv->param_power_save = 0;
3069 else if (priv->param_power_save > 2)
3070 priv->param_power_save = 2;
3072 if (priv->param_power_output < 0)
3073 priv->param_power_output = 0;
3074 else if (priv->param_power_output > 3)
3075 priv->param_power_output = 3;
3077 if (priv->param_roamtrigger < -80)
3078 priv->param_roamtrigger = -80;
3079 else if (priv->param_roamtrigger > -60)
3080 priv->param_roamtrigger = -60;
3082 if (priv->param_roamdelta < 0)
3083 priv->param_roamdelta = 0;
3084 else if (priv->param_roamdelta > 2)
3085 priv->param_roamdelta = 2;
3087 if (modparam_workaround_interval < 0)
3088 priv->param_workaround_interval = 500;
3090 priv->param_workaround_interval = modparam_workaround_interval;
3092 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
3093 rndis_set_config_parameter_str(usbdev, "FrameBursting",
3094 priv->param_frameburst ? "1" : "0");
3095 rndis_set_config_parameter_str(usbdev, "Afterburner",
3096 priv->param_afterburner ? "1" : "0");
3097 sprintf(buf, "%d", priv->param_power_save);
3098 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
3099 sprintf(buf, "%d", priv->param_power_output);
3100 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
3101 sprintf(buf, "%d", priv->param_roamtrigger);
3102 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
3103 sprintf(buf, "%d", priv->param_roamdelta);
3104 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
3109 /* same as rndis_netdev_ops but with local multicast handler */
3110 static const struct net_device_ops rndis_wlan_netdev_ops = {
3111 .ndo_open = usbnet_open,
3112 .ndo_stop = usbnet_stop,
3113 .ndo_start_xmit = usbnet_start_xmit,
3114 .ndo_tx_timeout = usbnet_tx_timeout,
3115 .ndo_set_mac_address = eth_mac_addr,
3116 .ndo_validate_addr = eth_validate_addr,
3117 .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
3121 static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
3123 struct wiphy *wiphy;
3124 struct rndis_wlan_private *priv;
3128 /* allocate wiphy and rndis private data
3129 * NOTE: We only support a single virtual interface, so wiphy
3130 * and wireless_dev are somewhat synonymous for this device.
3132 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
3136 priv = wiphy_priv(wiphy);
3137 usbdev->net->ieee80211_ptr = &priv->wdev;
3138 priv->wdev.wiphy = wiphy;
3139 priv->wdev.iftype = NL80211_IFTYPE_STATION;
3141 /* These have to be initialized before calling generic_rndis_bind().
3142 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
3144 usbdev->driver_priv = priv;
3145 usbdev->net->wireless_handlers = &rndis_iw_handlers;
3146 priv->usbdev = usbdev;
3148 mutex_init(&priv->command_lock);
3149 spin_lock_init(&priv->stats_lock);
3151 /* because rndis_command() sleeps we need to use workqueue */
3152 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
3153 INIT_WORK(&priv->work, rndis_wlan_worker);
3154 INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
3155 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
3157 /* try bind rndis_host */
3158 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
3162 /* generic_rndis_bind set packet filter to multicast_all+
3163 * promisc mode which doesn't work well for our devices (device
3164 * picks up rssi to closest station instead of to access point).
3166 * rndis_host wants to avoid all OID as much as possible
3167 * so do promisc/multicast handling in rndis_wlan.
3169 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
3171 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
3172 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
3176 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
3178 priv->multicast_size = le32_to_cpu(tmp);
3179 if (retval < 0 || priv->multicast_size < 0)
3180 priv->multicast_size = 0;
3181 if (priv->multicast_size > 0)
3182 usbdev->net->flags |= IFF_MULTICAST;
3184 usbdev->net->flags &= ~IFF_MULTICAST;
3186 priv->iwstats.qual.qual = 0;
3187 priv->iwstats.qual.level = 0;
3188 priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
3189 | IW_QUAL_LEVEL_UPDATED
3190 | IW_QUAL_NOISE_INVALID
3191 | IW_QUAL_QUAL_INVALID
3192 | IW_QUAL_LEVEL_INVALID;
3194 /* fill-out wiphy structure and register w/ cfg80211 */
3195 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
3196 wiphy->privid = rndis_wiphy_privid;
3197 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
3198 | BIT(NL80211_IFTYPE_ADHOC);
3199 wiphy->max_scan_ssids = 1;
3201 /* TODO: fill-out band/encr information based on priv->caps */
3202 rndis_wlan_get_caps(usbdev);
3204 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
3205 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
3206 priv->band.channels = priv->channels;
3207 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
3208 priv->band.bitrates = priv->rates;
3209 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
3210 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
3211 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
3213 memcpy(priv->cipher_suites, rndis_cipher_suites,
3214 sizeof(rndis_cipher_suites));
3215 wiphy->cipher_suites = priv->cipher_suites;
3216 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
3218 set_wiphy_dev(wiphy, &usbdev->udev->dev);
3220 if (wiphy_register(wiphy)) {
3225 set_default_iw_params(usbdev);
3227 /* set default rts/frag */
3228 rndis_set_wiphy_params(wiphy,
3229 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
3233 disassociate(usbdev, 1);
3234 netif_carrier_off(usbdev->net);
3239 cancel_delayed_work_sync(&priv->stats_work);
3240 cancel_delayed_work_sync(&priv->scan_work);
3241 cancel_work_sync(&priv->work);
3242 flush_workqueue(priv->workqueue);
3243 destroy_workqueue(priv->workqueue);
3250 static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
3252 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3254 /* turn radio off */
3255 disassociate(usbdev, 0);
3257 cancel_delayed_work_sync(&priv->stats_work);
3258 cancel_delayed_work_sync(&priv->scan_work);
3259 cancel_work_sync(&priv->work);
3260 flush_workqueue(priv->workqueue);
3261 destroy_workqueue(priv->workqueue);
3263 if (priv && priv->wpa_ie_len)
3264 kfree(priv->wpa_ie);
3266 rndis_unbind(usbdev, intf);
3268 wiphy_unregister(priv->wdev.wiphy);
3269 wiphy_free(priv->wdev.wiphy);
3273 static int rndis_wlan_reset(struct usbnet *usbdev)
3275 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3278 devdbg(usbdev, "rndis_wlan_reset");
3280 retval = rndis_reset(usbdev);
3282 devwarn(usbdev, "rndis_reset() failed: %d", retval);
3284 /* rndis_reset cleared multicast list, so restore here.
3285 (set_multicast_list() also turns on current packet filter) */
3286 set_multicast_list(usbdev);
3288 queue_delayed_work(priv->workqueue, &priv->stats_work,
3289 round_jiffies_relative(STATS_UPDATE_JIFFIES));
3291 return deauthenticate(usbdev);
3295 static int rndis_wlan_stop(struct usbnet *usbdev)
3297 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3301 devdbg(usbdev, "rndis_wlan_stop");
3303 retval = disassociate(usbdev, 0);
3305 priv->work_pending = 0;
3306 cancel_delayed_work_sync(&priv->stats_work);
3307 cancel_delayed_work_sync(&priv->scan_work);
3308 cancel_work_sync(&priv->work);
3309 flush_workqueue(priv->workqueue);
3311 if (priv->scan_request) {
3312 cfg80211_scan_done(priv->scan_request, true);
3313 priv->scan_request = NULL;
3316 /* Set current packet filter zero to block receiving data packets from
3319 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
3326 static const struct driver_info bcm4320b_info = {
3327 .description = "Wireless RNDIS device, BCM4320b based",
3328 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3329 FLAG_AVOID_UNLINK_URBS,
3330 .bind = rndis_wlan_bind,
3331 .unbind = rndis_wlan_unbind,
3332 .status = rndis_status,
3333 .rx_fixup = rndis_rx_fixup,
3334 .tx_fixup = rndis_tx_fixup,
3335 .reset = rndis_wlan_reset,
3336 .stop = rndis_wlan_stop,
3337 .early_init = bcm4320b_early_init,
3338 .indication = rndis_wlan_indication,
3341 static const struct driver_info bcm4320a_info = {
3342 .description = "Wireless RNDIS device, BCM4320a based",
3343 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3344 FLAG_AVOID_UNLINK_URBS,
3345 .bind = rndis_wlan_bind,
3346 .unbind = rndis_wlan_unbind,
3347 .status = rndis_status,
3348 .rx_fixup = rndis_rx_fixup,
3349 .tx_fixup = rndis_tx_fixup,
3350 .reset = rndis_wlan_reset,
3351 .stop = rndis_wlan_stop,
3352 .early_init = bcm4320a_early_init,
3353 .indication = rndis_wlan_indication,
3356 static const struct driver_info rndis_wlan_info = {
3357 .description = "Wireless RNDIS device",
3358 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3359 FLAG_AVOID_UNLINK_URBS,
3360 .bind = rndis_wlan_bind,
3361 .unbind = rndis_wlan_unbind,
3362 .status = rndis_status,
3363 .rx_fixup = rndis_rx_fixup,
3364 .tx_fixup = rndis_tx_fixup,
3365 .reset = rndis_wlan_reset,
3366 .stop = rndis_wlan_stop,
3367 .early_init = bcm4320a_early_init,
3368 .indication = rndis_wlan_indication,
3371 /*-------------------------------------------------------------------------*/
3373 static const struct usb_device_id products [] = {
3374 #define RNDIS_MASTER_INTERFACE \
3375 .bInterfaceClass = USB_CLASS_COMM, \
3376 .bInterfaceSubClass = 2 /* ACM */, \
3377 .bInterfaceProtocol = 0x0ff
3379 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3380 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3383 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3384 | USB_DEVICE_ID_MATCH_DEVICE,
3386 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
3387 RNDIS_MASTER_INTERFACE,
3388 .driver_info = (unsigned long) &bcm4320b_info,
3390 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3391 | USB_DEVICE_ID_MATCH_DEVICE,
3393 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
3394 RNDIS_MASTER_INTERFACE,
3395 .driver_info = (unsigned long) &bcm4320b_info,
3397 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3398 | USB_DEVICE_ID_MATCH_DEVICE,
3400 .idProduct = 0x011b, /* Belkin F5D7051 */
3401 RNDIS_MASTER_INTERFACE,
3402 .driver_info = (unsigned long) &bcm4320b_info,
3404 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3405 | USB_DEVICE_ID_MATCH_DEVICE,
3406 .idVendor = 0x1799, /* Belkin has two vendor ids */
3407 .idProduct = 0x011b, /* Belkin F5D7051 */
3408 RNDIS_MASTER_INTERFACE,
3409 .driver_info = (unsigned long) &bcm4320b_info,
3411 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3412 | USB_DEVICE_ID_MATCH_DEVICE,
3414 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3415 RNDIS_MASTER_INTERFACE,
3416 .driver_info = (unsigned long) &bcm4320b_info,
3418 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3419 | USB_DEVICE_ID_MATCH_DEVICE,
3421 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3422 RNDIS_MASTER_INTERFACE,
3423 .driver_info = (unsigned long) &bcm4320b_info,
3425 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3426 | USB_DEVICE_ID_MATCH_DEVICE,
3428 .idProduct = 0x1717, /* Asus WL169gE */
3429 RNDIS_MASTER_INTERFACE,
3430 .driver_info = (unsigned long) &bcm4320b_info,
3432 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3433 | USB_DEVICE_ID_MATCH_DEVICE,
3435 .idProduct = 0xd11b, /* Eminent EM4045 */
3436 RNDIS_MASTER_INTERFACE,
3437 .driver_info = (unsigned long) &bcm4320b_info,
3439 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3440 | USB_DEVICE_ID_MATCH_DEVICE,
3442 .idProduct = 0x0715, /* BT Voyager 1055 */
3443 RNDIS_MASTER_INTERFACE,
3444 .driver_info = (unsigned long) &bcm4320b_info,
3446 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3447 * parameters available, hardware probably contain older firmware version with
3448 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3451 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3452 | USB_DEVICE_ID_MATCH_DEVICE,
3454 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3455 RNDIS_MASTER_INTERFACE,
3456 .driver_info = (unsigned long) &bcm4320a_info,
3458 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3459 | USB_DEVICE_ID_MATCH_DEVICE,
3461 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3462 RNDIS_MASTER_INTERFACE,
3463 .driver_info = (unsigned long) &bcm4320a_info,
3465 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3466 | USB_DEVICE_ID_MATCH_DEVICE,
3468 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3469 RNDIS_MASTER_INTERFACE,
3470 .driver_info = (unsigned long) &bcm4320a_info,
3472 /* Generic Wireless RNDIS devices that we don't have exact
3473 * idVendor/idProduct/chip yet.
3476 /* RNDIS is MSFT's un-official variant of CDC ACM */
3477 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
3478 .driver_info = (unsigned long) &rndis_wlan_info,
3480 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3481 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
3482 .driver_info = (unsigned long) &rndis_wlan_info,
3486 MODULE_DEVICE_TABLE(usb, products);
3488 static struct usb_driver rndis_wlan_driver = {
3489 .name = "rndis_wlan",
3490 .id_table = products,
3491 .probe = usbnet_probe,
3492 .disconnect = usbnet_disconnect,
3493 .suspend = usbnet_suspend,
3494 .resume = usbnet_resume,
3497 static int __init rndis_wlan_init(void)
3499 return usb_register(&rndis_wlan_driver);
3501 module_init(rndis_wlan_init);
3503 static void __exit rndis_wlan_exit(void)
3505 usb_deregister(&rndis_wlan_driver);
3507 module_exit(rndis_wlan_exit);
3509 MODULE_AUTHOR("Bjorge Dijkstra");
3510 MODULE_AUTHOR("Jussi Kivilinna");
3511 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3512 MODULE_LICENSE("GPL");